Specifications

310HD, 320HD and 420HD IP Phones
3. Speak into the headset’s microphone; after about five seconds, the LCD screen
displays "start playing" and the voice that was recorded when you spoke into the
headset’s microphone is now played from the headset’s receiver.
Figure 39-24: Headset Test - Playing
4. Continue with the Speaker test in Section 39.1.6 on page 240.
Administrator's Manual 250 Document #: LTRT-09910